Qt 4.8
qpair.h
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41 
42 #ifndef QPAIR_H
43 #define QPAIR_H
44 
45 #include <QtCore/qdatastream.h>
46 
48 
50 
51 QT_MODULE(Core)
52 
53 template <class T1, class T2>
54 struct QPair
55 {
56  typedef T1 first_type;
57  typedef T2 second_type;
58 
59  QPair() : first(T1()), second(T2()) {}
60  QPair(const T1 &t1, const T2 &t2) : first(t1), second(t2) {}
61 
63  { first = other.first; second = other.second; return *this; }
64 
65  T1 first;
66  T2 second;
67 };
68 
69 template <class T1, class T2>
71 { return p1.first == p2.first && p1.second == p2.second; }
72 
73 template <class T1, class T2>
75 { return !(p1 == p2); }
76 
77 template <class T1, class T2>
78 Q_INLINE_TEMPLATE bool operator<(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
79 {
80  return p1.first < p2.first || (!(p2.first < p1.first) && p1.second < p2.second);
81 }
82 
83 template <class T1, class T2>
85 {
86  return p2 < p1;
87 }
88 
89 template <class T1, class T2>
90 Q_INLINE_TEMPLATE bool operator<=(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
91 {
92  return !(p2 < p1);
93 }
94 
95 template <class T1, class T2>
97 {
98  return !(p1 < p2);
99 }
100 
101 template <class T1, class T2>
103 {
104  return QPair<T1, T2>(x, y);
105 }
106 
107 #ifndef QT_NO_DATASTREAM
108 template <class T1, class T2>
110 {
111  s >> p.first >> p.second;
112  return s;
113 }
114 
115 template <class T1, class T2>
116 inline QDataStream& operator<<(QDataStream& s, const QPair<T1, T2>& p)
117 {
118  s << p.first << p.second;
119  return s;
120 }
121 #endif
122 
124 
126 
127 #endif // QPAIR_H
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define QT_MODULE(x)
Definition: qglobal.h:2783
Q_INLINE_TEMPLATE bool operator>=(const QPair< T1, T2 > &p1, const QPair< T1, T2 > &p2)
Definition: qpair.h:96
Q_INLINE_TEMPLATE bool operator!=(const QPair< T1, T2 > &p1, const QPair< T1, T2 > &p2)
Definition: qpair.h:74
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
Q_INLINE_TEMPLATE bool operator==(const QPair< T1, T2 > &p1, const QPair< T1, T2 > &p2)
Definition: qpair.h:70
T1 first
Definition: qpair.h:65
T2 second
Definition: qpair.h:66
Q_INLINE_TEMPLATE bool operator>(const QPair< T1, T2 > &p1, const QPair< T1, T2 > &p2)
Definition: qpair.h:84
T2 second_type
Definition: qpair.h:57
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
QPair()
Definition: qpair.h:59
#define Q_INLINE_TEMPLATE
Definition: qglobal.h:1713
QPair(const T1 &t1, const T2 &t2)
Definition: qpair.h:60
QPair< T1, T2 > & operator=(const QPair< T1, T2 > &other)
Definition: qpair.h:62
T1 first_type
Definition: qpair.h:56
QDataStream & operator>>(QDataStream &s, QPair< T1, T2 > &p)
Definition: qpair.h:109
Q_OUTOFLINE_TEMPLATE QPair< T1, T2 > qMakePair(const T1 &x, const T2 &y)
Definition: qpair.h:102
The QDataStream class provides serialization of binary data to a QIODevice.
Definition: qdatastream.h:71
#define Q_OUTOFLINE_TEMPLATE
Definition: qglobal.h:1710
#define QT_END_HEADER
Definition: qglobal.h:137